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Cubical Subdivisions and Local h-Vectors

机译:立体细分和局部h矢量

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Face numbers of triangulations of simplicial complexes were studied by Stanley by use of his concept of a local h-vector. It is shown that a parallel theory exists for cubical subdivisions of cubical complexes, in which the role of the h-vector of a simplicial complex is played by the (short or long) cubical h-vector of a cubical complex, defined by Adin, and the role of the local h-vector of a triangulation of a simplex is played by the (short or long) cubical local h-vector of a cubical subdivision of a cube. The cubical local h-vectors are defined in this paper and are shown to share many of the properties of their simplicial counterparts. Generalizations to subdivisions of locally Eulerian posets are also discussed.
机译:Stanley利用局部h向量的概念研究了单纯形三角剖分的面数。结果表明,对于立方复合体的立方细分存在一种平行理论,其中,简单复合体的h矢量的作用由立方复合体的(短或长)立方h矢量(由Adin定义)扮演,单纯形的三角剖分的局部h向量的作用由立方体的三次细分的(短或长)立方局部h向量发挥。本文定义了三次局部h矢量,并显示了它们的简单对等特性。还讨论了局部欧拉波姿细分的一般化。

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